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Instance lifetime timeout #836

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Instance lifetime timeout #836

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6 changes: 4 additions & 2 deletions packer/linux/conf/bin/bk-install-elastic-stack.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -158,8 +158,10 @@ if ! docker ps ; then
exit 1
fi

systemctl enable "buildkite-agent"
systemctl start "buildkite-agent"
systemctl enable --now "buildkite-agent"

systemctl enable --now "buildkite-agent-soft-limit.timer"
systemctl enable --now "buildkite-agent-hard-limit.timer"

# let the stack know that this host has been initialized successfully
/opt/aws/bin/cfn-signal \
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6 changes: 6 additions & 0 deletions packer/linux/conf/buildkite-agent/systemd/buildkite-agent-hard-limit.service
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
[Unit]
Description=Hard stop buildkite agent

[Service]
ExecStart=/bin/systemctl stop buildkite-agent
RemainAfterExit=true
10 changes: 10 additions & 0 deletions packer/linux/conf/buildkite-agent/systemd/buildkite-agent-hard-limit.timer
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
[Unit]
Description=Initiate hard stop of agent
After=buildkite-agent.service

[Timer]
# 3hr soft timer + 21hr grace period
OnBootSec=24hr

[Install]
WantedBy=timers.target
6 changes: 6 additions & 0 deletions packer/linux/conf/buildkite-agent/systemd/buildkite-agent-soft-limit.service
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@@ -0,0 +1,6 @@
[Unit]
Description=Soft stop buildkite agent

[Service]
ExecStart=/bin/systemctl kill --signal=TERM --kill-who=main buildkite-agent
RemainAfterExit=true
9 changes: 9 additions & 0 deletions packer/linux/conf/buildkite-agent/systemd/buildkite-agent-soft-limit.timer
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@@ -0,0 +1,9 @@
[Unit]
Description=Initiate soft stop of agent
After=buildkite-agent.service

[Timer]
OnBootSec=3hr

[Install]
WantedBy=timers.target
3 changes: 2 additions & 1 deletion packer/linux/scripts/install-buildkite-agent.sh
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Expand Up @@ -60,7 +60,8 @@ sudo mkdir -p /var/lib/buildkite-agent/plugins
sudo chown -R buildkite-agent: /var/lib/buildkite-agent/plugins

echo "Adding systemd service template..."
sudo cp /tmp/conf/buildkite-agent/systemd/buildkite-agent.service /etc/systemd/system/buildkite-agent.service
sudo cp /tmp/conf/buildkite-agent/systemd/*.service /etc/systemd/system/
sudo cp /tmp/conf/buildkite-agent/systemd/*.timer /etc/systemd/system/

echo "Adding cloud-init failure safety check..."
sudo mkdir -p /etc/systemd/system/cloud-final.service.d/
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